// 处理主题样式
export function handleThemeStyle(theme) {
	document.documentElement.style.setProperty('--el-color-primary', theme)
	for (let i = 1; i <= 9; i++) {
		document.documentElement.style.setProperty(`--el-color-primary-light-${i}`, `${getLightColor(theme, i / 10)}`)
	}
	for (let i = 1; i <= 9; i++) {
		document.documentElement.style.setProperty(`--el-color-primary-dark-${i}`, `${getDarkColor(theme, i / 10)}`)
	}
}

// hex颜色转rgb颜色
export function hexToRgb(str) {
	str = str.replace('#', '')
	let hexs = str.match(/../g)
	for (let i = 0; i < 3; i++) {
		hexs[i] = parseInt(hexs[i], 16)
	}
	return hexs
}

// rgb颜色转Hex颜色
export function rgbToHex(rgb) {
	let hexs = [rgb[0].toString(16), rgb[1].toString(16), rgb[2].toString(16)]
	let alpha = Math.round(rgb[3] * 255);
	let opacity = (alpha + 0x10000).toString(16).substr(-2).toUpperCase();
	
	for (let i = 0; i < 3; i++) {
		if (hexs[i].length == 1) {
			hexs[i] = `0${hexs[i]}`
		}
	}
	return rgb[3] ? `#${hexs.join('')}${opacity}` : `#${hexs.join('')}`
}

// 变浅颜色值
export function getLightColor(color, level) {
	let rgb
	if(color.includes('#')){
		rgb = hexToRgb(color)
	}else{
		rgb = color.split(',').map((item)=>item.replace(/[^0-9|.]+/g,''))
	}
	for (let i = 0; i < 3; i++) {
		rgb[i] = Math.floor((255 - rgb[i]) * level + rgb[i]*1)
	}
	return rgbToHex(rgb)
}

// 变深颜色值
export function getDarkColor(color, level) {
	let rgb
	if(color.includes('#')){
		rgb = hexToRgb(color)
	}else{
		rgb = color.split(',').map((item)=>item.replace(/[^0-9|.]+/g,''))
	}
	for (let i = 0; i < 3; i++) {
		rgb[i] = Math.floor(rgb[i] * (1 - level))
	}
	return rgbToHex(rgb)
}
